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BS ISO 21250-2:2020

$142.49

Rolling bearings. Noise testing of rolling bearing greases – Test and evaluation method BQ+

Published By Publication Date Number of Pages
BSI 2020 26
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This document specifies the testing and evaluation method of rolling bearing grease noise in accordance with the method BQ+.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 Introduction
8 1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, abbreviated terms and subscripts
9 5 Calculation method
5.1 Signal processing
10 5.2 Calculation of damping
5.3 Calculation of peak values
11 6 Test method BQ+
6.1 Measuring principle
6.2 Testing procedure
12 7 ​Evaluation of results
7.1 Rating scale
13 7.2 Damping ability
14 Annex A (informative) Test machine, test setup, electronic system and test reports: examples
19 Annex B (informative) Recommendation for inserting the amount of grease
22 Annex C (informative) Practical hints for calibration
24 Bibliography
BS ISO 21250-2:2020
$142.49